检索结果-内蒙古大学图书馆

12th IEEE/ACM International Symposium on Distributed Simulation and Real Time Applications

作者： Forbes, Shanna-Shaye Patel, Hiren D. Lee, Edward A. Andrade, Hugo A. Univ Calif Berkeley Dept Elect Engn & Comp Sci 545 Cory Hall Berkeley CA 94720 USA Natl Instruments Corp Berkeley CA 94704 USA

ISBN: (纸本)9780769534251

Most common real-time embedded programming languages provide a means to specify functionality;however, they have few constructs to specify precise timing constraints. LabVIEW is one example ( fa graphical programming language that supports timing specifications in the form of timed-loops. In this work, we present a plug-in for LabVIEW Embedded that maps the LabVIEW G graphical programming language and its timing specifications to the PREcision Timed machine (PRET), an architecture that exposes timing instructions in its instruction set architecture. We demonstrate the use of the plug-in with a simple producer/consumer example that uses timing to enforce synchronization.

关键词： programming model

来源：评论

学校读者我要写书评

暂无评论

SysCellC: SystemC on cell

SysCellC: SystemC on cell

引用

International Conference on Computational Science and Its Applications (ICCSA 2008)

作者： Kaouane, Linda Houet, Dominique Huet, Sylvain INPG INPG GIPSA-Lab. CNRS

ISBN: (纸本)9780769532431

High performance computing with low, cost machines becomes a reality. As an example, the Sony playstation3 gaining console offers performances up to 150 gflops for a machine's retail price of $400. Unfortunately, higher performances are achieved when the prograrammer exploits the architectural specificities of its Cell processor: he has to focus on inter-processor communications, task allocations among the processors. task scheduling, external memory prefetching, and synchronizatoion. In this paper, we propose and evaluate a compile flow that automates the transformation of a program expressed with the high level system design language SystemC used as a programming model, to its implementation on the Cell processor. SystemC constructs and scheduler are directly mapped to the Cell API, preserving their semantic. Inter-processor and external memory communications are abstracted by means of systemC channels. We illustrate the approach on two case studies implemented on a Sony Playstation 3.

关键词： cell SystemC MPI programming model

来源：评论

学校读者我要写书评

暂无评论

Tapping into the fountain of CPUs - On operating system support for programmable devices

引用

ACM SIGPLAN NOTICES 2008年第3期43卷 179-188页

作者： Weinsberg, Yaron Dolev, Danny Anker, Tal Ben-Yehuda, Muli Wyckoff, Pete Hebrew Univ Jerusalem IL-91905 Jerusalem Israel

The constant race for faster and more powerful CPUs is drawing to a close. No longer is it feasible to significantly increase the speed of the CPU without paying a crushing penalty in power consumption and production costs. Instead of increasing single thread performance, the industry is turning to multiple CPU threads or cores (such as SMT and CMP) and heterogeneous CPU architectures (such as the Cell Broadband Engine). While this is a step in the right direction, in every modern PC there is a wealth of untapped compute resources. The NIC has a CPU;the disk controller is Programmable;some high-end graphics adapters are already more powerful than host CPUs. Some of these CPUs can perform some functions more efficiently than the host CPUs. Our operating systems and programming abstractions should be expanded to let applications tap into these computational resources and make the best use of them. Therefore, we propose the HYDRA framework, which lets application developers use the combined power of every compute resource in a coherent way. HYDRA is a programming model and a runtime support layer which enables utilization of host processors as well as various Programmable peripheral devices' processors. We present the framework and its application for a demonstrative use-case, as well as provide a thorough evaluation of its capabilities. Using HYDRA We were able to cut down the development cost of a system that uses multiple heterogenous compute resources significantly.

关键词： design experimentation offloading operating systems programming model

来源：评论

学校读者我要写书评

暂无评论

Multicore design is the challenge! what is the solution? 08

Multicore design is the challenge! what is the solution?

引用

Proceedings of the 45th annual Design Automation Conference

作者： Eshel Haritan Toshihiro Hattori Hiroyuki Yagi Pierre Paulin Wayne Wolf Achim Nohl Drew Wingard Mike Muller CoWare Inc. San Jose CA Renesas Technology Corp. Kodaira Tokyo Japan STARC Yokohama Kanagawa Japan STMicroelectronics Ottawa Ontario Canada Georgia Institute of Technology Atlanta GA CoWare Inc. Aachen North Rhine-Westphalia Germany Sonics Inc. Mountain View CA ARM Limited

ISBN: (纸本)9781605581156

Multi Processor SoC (MPSoC) are being designed today. MPSoC design can help achieve aggressive performance and low power targets but it creates new design challenges: How to design the interconnect fabric and memory sub-system to allow the massive data movement required in a multi processor SoC environment? How to develop, debug and verify HW and SW functionality in a MPSoC design? Is MPSoC design an inflection point that will require new design methods including ESL methodologies?

关键词： virtual platforms MPSoC heterogeneous/homogenous multicore ESL multiprocessors programming model symmetric/asymmetric multicore virtual prototyping multi-core interconnect

来源：评论

学校读者我要写书评

暂无评论

FEADS: A framework for exploring the application design space on network processors

引用

INTERNATIONAL JOURNAL OF PARALLEL programming 2007年第1期35卷 1-31页

作者： Pai, Rajani Govindarajan, R. Indian Inst Sci Dept Comp Sci & Automat Supercomp Educ & Res Ctr Bangalore 560012 Karnataka India

Network processors are designed to handle the inherently parallel nature of network processing applications. However, partitioning and scheduling of application tasks and data allocation to reduce memory contention remain as major challenges in realizing the full performance potential of a given network processor. The large variety of processor architectures in use and the increasing complexity of network applications further aggravate the problem. This work proposes a novel framework, called FEADS, for automating the task of application partitioning and scheduling for network processors. FEADS uses the simulated annealing approach to perform design space exploration of application mapping onto processor resources. Further, it uses cyclic and r-periodic scheduling to achieve higher throughput schedules. To evaluate dynamic performance metrics such as throughput and resource utilization under realistic workloads, FEADS automatically generates a Petri net (PN) which models the application, architectural resources, mapping and the constructed schedule and their interaction. The throughput obtained by schedules constructed by FEADS is comparable to that obtained by manual scheduling for linear task flow graphs;for more complicated task graphs, FEADS' schedules have a throughput which is upto 2.5 times higher compared to the manual schedules. Further, static scheduling of tasks results in an increase in throughput by upto 30% compared to an implementation of the same mapping without task scheduling.

关键词： cyclic scheduling design space exploration network processor programming model performance Evaluation petri Nets

来源：评论

学校读者我要写书评

暂无评论

programming the Grid with POP-C++

引用

FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE 2007年第1期23卷 23-30页

作者： Nguyen, Tuan-Anh Kuonen, Pierre HCMC Univ Technol Fac Comp Sci & Engn Ho Chi Minh City Vietnam Univ Appl Sci Fribourg EIA FR Fribourg Switzerland

Despite the fact that Grid computing is the main theme of distributed computing research during the last few years, programming on the Grid is still a huge difficulty to normal users. The POP-C++ programming system has been built to provide Grid programming facilities which greatly ease the development and the deployment of parallel applications on the Grid. The original parallel object model used in POP-C++ is a combination of powerful features of object-oriented programming and of high-level distributed programming capabilities. The model is based on the simple idea that objects are suitable structures to encapsulate and to distribute heterogeneous data and computing elements over the Grid. Programmers can guide the resource allocation for each object through the high-level resource descriptions. The object creation process, supported by the POP-C++ runtime system, is transparent to programmers. Both inter-object and intra-object parallelism are supported through various method invocation semantics. The POP-C++ programming language extends C++ to support the parallel object model with just a few new keywords. In this paper, we present the Grid programming aspects of POP-C++. With POP-C++, writing a Grid-enabled application becomes as simple as writing a sequential C++ application. (C) 2006 Elsevier B.V. All rights reserved.

关键词： parallel object distributed object parallelism programming model Grid programming

来源：评论

学校读者我要写书评

暂无评论

Parallel Machine Scheduling models with Fuzzy Parameters and Precedence Constraints: A Credibility Approach

引用

Journal of Beijing Institute of Technology 2007年第2期16卷 231-236页

作者：侯福均吴祈宗 School of Management and Economics Beijing Institute of Technology

A method for modeling the parallel machine scheduling problems with fuzzy parameters and precedence constraints based on credibility measure is provided. For the given n jobs to be processed on m machines, it is assumed that the processing times and the due dates are nonnegative fuzzy numbers and all the weights are positive, crisp numbers. Based on credibility measure, three parallel machine scheduling problems and a goal-programming model are formulated. Feasible schedules are evaluated not only by their objective values but also by the credibility degree of satisfaction with their precedence constraints. The genetic algorithm is utilized to find the best solutions in a short period of time. An illustrative numerical example is also given. Simulation results show that the proposed models are effective, which can deal with the parallel machine scheduling problems with fuzzy parameters and precedence constraints based on credibility measure.

关键词： parallel machine scheduling programming model possibility measure credibility measure fuzzy number genetic algorithm

来源：评论

学校读者我要写书评

暂无评论

A smooth concurrency revolution with free objects

引用

IEEE INTERNET COMPUTING 2007年第4期11卷 82-85页

作者： Guerraoui, Rachid Ecole Polytech Fed Lausanne Lausanne Switzerland

In this paper, the author propose viewing a program as a collection of "free" objects, each of which has its own thread of control and executes its operations within atomic transactions. Such objects would communicate by asynchronous message passing with futures - objects that encapsulate the results of server invocations and let clients retrieve them while hiding the actual state of readiness from the client. Except for the unleashing of newly created free objects, theres no need for specific language constructs other than those already available in 00 languages. After all, C++ has been successful in part because it looked like C, Java has been successful in part because it looked like C++, and C# looks like both. With free objects, the program looks exactly like a traditional OO program, with one exception: certain object creations fork new activity threads and must be distinguished as such. This column discusses how to do that.

关键词： Concurrency Application Development programming model Object Oriented programming

来源：评论

学校读者我要写书评

暂无评论

A Design Kit for a Fully Working Shared Memory Multiprocessor on FPGA

A Design Kit for a Fully Working Shared Memory Multiprocesso...

引用

17th Great Lakes Symposium on VLSI

作者： Tumeo, Antonino Monchiero, Matteo Palermo, Gianluca Ferrandi, Fabrizio Sciuto, Donatella Politecn Milan Dip Elettron & Informaz Milan Italy

ISBN: (纸本)9781595936059

This paper presents a framework to design a shared memory multiprocessor on a programmable platform. We propose a complete flow, composed by a programming model and a template architecture. Our framework permits to write a parallel application by using a shared memory model. It deals with the consistency of shared data, with no need of hardware coherence protocol, but uses a software model to properly synchronize the local copies with the shared memory image. This idea can be applied both to a scratchpad-based architecture or a cache-based one. The architecture is synthesizable with standard IPs, such as the softcores and interconnect elements, which may be found in any commercial FPGA toolset.

关键词： FPGA shared memory reconfigurable logic programming model embedded computing

来源：评论

学校读者我要写书评

暂无评论

AN EMBEDDED PARALLEL SYSTEM FOR IMAGE PROCESSING

AN EMBEDDED PARALLEL SYSTEM FOR IMAGE PROCESSING

引用

2007中国宁波国际计算机科学与技术学术大会

作者： Duan Zongtao Duan Zongyuan Feng Xingle College of Information Chang'an University

ISBN: (纸本)9780972147903

An embedded parallel system for image processing is described in this *** system is used to process real-time *** system is composed by an embedded parallel computer and a set of software *** write image processing programs in a C-like *** to a programming model a set of software tools maps these programs to code that can run on the embedded parallel *** embedded parallel computer includes a host processor,a SIMD coprocessor,a stream memory and a controller of the stream memory,together providing an embedded parallel system for image processing.

关键词： Embedded Image processing:Data parallel Stream programming model

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：